Finding the Third Proportional to 88,798.50 and 195,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,798.50 : 195,091.50 = 195,091.50 : x
2. Step 2: Convert to fraction form
   88,798.50/195,091.50 = 195,091.50/x
3. Step 3: Cross multiply
   88,798.50x = 195,091.50 × 195,091.50
4. Step 4: Simplify right side
   88,798.50x = 38,060,693,372.25
5. Step 5: Solve for x
   x = 38,060,693,372.25/88,798.50
6. Step 6: Final answer
   x = 428,618.65